[ 44.874052][ T38] audit: type=1400 audit(1665940274.901:74): avc: denied { write } for pid=3562 comm="sh" path="pipe:[30211]" dev="pipefs" ino=30211 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '[localhost]:50930' (ECDSA) to the list of known hosts. [ 47.687883][ T38] audit: type=1400 audit(1665940277.731:75): avc: denied { execute } for pid=3581 comm="sh" name="syz-fuzzer" dev="sda1" ino=1134 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 47.706920][ T38] audit: type=1400 audit(1665940277.731:76): avc: denied { execute_no_trans } for pid=3581 comm="sh" path="/syz-fuzzer" dev="sda1" ino=1134 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 2022/10/16 17:11:17 fuzzer started [ 48.118124][ T3584] ------------[ cut here ]------------ [ 48.122051][ T3584] WARNING: CPU: 0 PID: 3584 at include/linux/cpumask.h:110 c_start+0x152/0x1b0 [ 48.128225][ T3584] Modules linked in: [ 48.131455][ T3584] CPU: 0 PID: 3584 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-12196-g1501278bb7ba #0 [ 48.139114][ T3584] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 48.145975][ T3584] RIP: 0010:c_start+0x152/0x1b0 [ 48.149536][ T3584] Code: a0 68 99 8b e8 8f b0 4b 00 5b 5d 4c 89 e0 41 5c 41 5d c3 e8 80 b0 4b 00 45 31 e4 5b 4c 89 e0 5d 41 5c 41 5d c3 e8 6e b0 4b 00 <0f> 0b e9 1e ff ff ff 48 c7 c7 80 5b e1 8d e8 cb 38 97 00 e9 6b ff [ 48.164062][ T3584] RSP: 0018:ffffc90002eafc70 EFLAGS: 00010293 [ 48.167916][ T3584] RAX: 0000000000000000 RBX: ffffffff8de15b80 RCX: 0000000000000000 [ 48.172981][ T3584] RDX: ffff88801eb3a000 RSI: ffffffff812ffc02 RDI: 0000000000000004 [ 48.177633][ T3584] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000008 [ 48.182150][ T3584] R10: 0000000000000008 R11: 0000000000000001 R12: ffff88801e566508 [ 48.187321][ T3584] R13: 0000000000000008 R14: ffff88801b5e3cfc R15: 0000000000000000 [ 48.192076][ T3584] FS: 000000c00004e890(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000 [ 48.197866][ T3584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.202107][ T3584] CR2: 000000c00069f000 CR3: 000000001a866000 CR4: 0000000000150ef0 [ 48.207163][ T3584] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.211672][ T3584] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.217965][ T3584] Call Trace: [ 48.220318][ T3584] [ 48.222427][ T3584] seq_read_iter+0x2c6/0x1280 [ 48.226320][ T3584] ? inode_security+0x105/0x130 [ 48.229972][ T3584] proc_reg_read_iter+0x111/0x2d0 [ 48.233860][ T3584] vfs_read+0x67d/0x930 [ 48.236796][ T3584] ? kernel_read+0x1c0/0x1c0 [ 48.240160][ T3584] ? __fget_files+0x26a/0x440 [ 48.243953][ T3584] ksys_read+0x127/0x250 [ 48.247211][ T3584] ? vfs_write+0xdd0/0xdd0 [ 48.249876][ T3584] ? syscall_enter_from_user_mode+0x22/0xb0 [ 48.254730][ T3584] ? trace_hardirqs_on+0x2d/0x160 [ 48.259408][ T3584] do_syscall_64+0x35/0xb0 [ 48.263063][ T3584] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 48.266965][ T3584] RIP: 0033:0x4ae09b [ 48.270101][ T3584] Code: e8 ea 57 fb ff eb 88 cc cc cc cc cc cc cc cc e8 fb 9b fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 48.281779][ T3584] RSP: 002b:000000c00005b3b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 48.289690][ T3584] RAX: ffffffffffffffda RBX: 000000c00003e800 RCX: 00000000004ae09b [ 48.295016][ T3584] RDX: 0000000000000b49 RSI: 000000c0003eb4b7 RDI: 0000000000000003 [ 48.301699][ T3584] RBP: 000000c00005b408 R08: 0000000000000001 R09: 000000c000072420 [ 48.308128][ T3584] R10: 0000000000000b49 R11: 0000000000000212 R12: 000000c00005b570 [ 48.313250][ T3584] R13: 0000000000000000 R14: 000000c0000001a0 R15: 00007f397102e3a3 [ 48.318463][ T3584] [ 48.320718][ T3584] Kernel panic - not syncing: panic_on_warn set ... [ 48.324970][ T3584] CPU: 1 PID: 3584 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-12196-g1501278bb7ba #0 [ 48.331725][ T3584] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 48.338645][ T3584] Call Trace: [ 48.341385][ T3584] [ 48.343815][ T3584] dump_stack_lvl+0xcd/0x134 [ 48.346960][ T3584] panic+0x2c8/0x622 [ 48.349558][ T3584] ? panic_print_sys_info.part.0+0x110/0x110 [ 48.353356][ T3584] ? __warn.cold+0x24b/0x350 [ 48.356235][ T3584] ? c_start+0x152/0x1b0 [ 48.359073][ T3584] __warn.cold+0x25c/0x350 [ 48.361881][ T3584] ? c_start+0x152/0x1b0 [ 48.365127][ T3584] report_bug+0x1bc/0x210 [ 48.369225][ T3584] handle_bug+0x3c/0x70 [ 48.373740][ T3584] exc_invalid_op+0x14/0x40 [ 48.377805][ T3584] asm_exc_invalid_op+0x16/0x20 [ 48.381162][ T3584] RIP: 0010:c_start+0x152/0x1b0 [ 48.384496][ T3584] Code: a0 68 99 8b e8 8f b0 4b 00 5b 5d 4c 89 e0 41 5c 41 5d c3 e8 80 b0 4b 00 45 31 e4 5b 4c 89 e0 5d 41 5c 41 5d c3 e8 6e b0 4b 00 <0f> 0b e9 1e ff ff ff 48 c7 c7 80 5b e1 8d e8 cb 38 97 00 e9 6b ff [ 48.398218][ T3584] RSP: 0018:ffffc90002eafc70 EFLAGS: 00010293 [ 48.402491][ T3584] RAX: 0000000000000000 RBX: ffffffff8de15b80 RCX: 0000000000000000 [ 48.408253][ T3584] RDX: ffff88801eb3a000 RSI: ffffffff812ffc02 RDI: 0000000000000004 [ 48.413683][ T3584] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000008 [ 48.418622][ T3584] R10: 0000000000000008 R11: 0000000000000001 R12: ffff88801e566508 [ 48.424673][ T3584] R13: 0000000000000008 R14: ffff88801b5e3cfc R15: 0000000000000000 [ 48.430331][ T3584] ? c_start+0x152/0x1b0 [ 48.433779][ T3584] seq_read_iter+0x2c6/0x1280 [ 48.437599][ T3584] ? inode_security+0x105/0x130 [ 48.440930][ T3584] proc_reg_read_iter+0x111/0x2d0 [ 48.444173][ T3584] vfs_read+0x67d/0x930 [ 48.446799][ T3584] ? kernel_read+0x1c0/0x1c0 [ 48.449636][ T3584] ? __fget_files+0x26a/0x440 [ 48.452589][ T3584] ksys_read+0x127/0x250 [ 48.455228][ T3584] ? vfs_write+0xdd0/0xdd0 [ 48.458059][ T3584] ? syscall_enter_from_user_mode+0x22/0xb0 [ 48.461651][ T3584] ? trace_hardirqs_on+0x2d/0x160 [ 48.464830][ T3584] do_syscall_64+0x35/0xb0 [ 48.467439][ T3584] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 48.471403][ T3584] RIP: 0033:0x4ae09b [ 48.474059][ T3584] Code: e8 ea 57 fb ff eb 88 cc cc cc cc cc cc cc cc e8 fb 9b fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 48.485107][ T3584] RSP: 002b:000000c00005b3b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 48.490249][ T3584] RAX: ffffffffffffffda RBX: 000000c00003e800 RCX: 00000000004ae09b [ 48.495170][ T3584] RDX: 0000000000000b49 RSI: 000000c0003eb4b7 RDI: 0000000000000003 [ 48.499864][ T3584] RBP: 000000c00005b408 R08: 0000000000000001 R09: 000000c000072420 [ 48.504661][ T3584] R10: 0000000000000b49 R11: 0000000000000212 R12: 000000c00005b570 [ 48.509590][ T3584] R13: 0000000000000000 R14: 000000c0000001a0 R15: 00007f397102e3a3 [ 48.514493][ T3584] [ 48.516997][ T3584] Kernel Offset: disabled [ 48.519477][ T3584] Rebooting in 86400 seconds.. VM DIAGNOSIS: 17:11:18 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff8462b73c RDI=ffffffff914cd720 RBP=ffffffff914cd6e0 RSP=ffffc90002eaf528 R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=2073656c75646f4d R12=0000000000000000 R13=0000000000000060 R14=fffffbfff2299b34 R15=dffffc0000000000 RIP=ffffffff8462b763 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000000c00004e890 ffffffff 00c00000 GS =0000 ffff88802c800000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000c00069f000 CR3=000000001a866000 CR4=00150ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=74612034383533203a4449502030203a XMM04=205b5d3032393630372e37342020205b XMM05=663d7373616c637420745f656d69746e XMM06=746f6f723d747865746e6f637420745f XMM07=746f6f723d747865746e6f6373203433 XMM08=2f32353178302b74726174735f632030 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff8880125021c0 RCX=ffffffff898d9d75 RDX=ffffed100592698a RSI=0000000000000000 RDI=ffffffff8990bc8f RBP=dffffc0000000000 RSP=ffffc9000066fdf8 R8 =0000000000000000 R9 =ffff88802c934c4b R10=ffffed1005926989 R11=0000000000000001 R12=0000000000000001 R13=0000000000000001 R14=ffffffff8de15990 R15=0000000000000000 RIP=ffffffff8990b37b RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802c900000 ffffffff 00c00000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3993640000 CR3=000000001a866000 CR4=00150ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001fa0 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000003fb7faf21435454d XMM01=000000000000000041d1904962000000 XMM02=00000000000000004153f9f0b3333334 XMM03=00000000000000003fde666666666666 XMM04=00000000000000003fce22b7682e2612 XMM05=000000c0000a6a50000000c0000a6a70 XMM06=00000000000000003fd3333333333333 XMM07=00000000000000003fd1f55796d705fe XMM08=00000000000000003fe327bf92cad736 XMM09=00000000000000003fbfa462fcbd2018 XMM10=00000000000000003fd6777ec783a91c XMM11=000000c00044c7b0000000c00044c8f0 XMM12=000000c0006d8000000000c0000a6590 XMM13=00000000000000000000000000000237 XMM14=00000000000000000000000000000238 XMM15=00000000000000000000000000000000 info registers vcpu 2 RAX=000000000007f8c0 RBX=ffff888024f78a00 RCX=1ffffffff1bc31cd RDX=ffffffff9140cc48 RSI=ffff888024f78000 RDI=ffff888024f78a00 RBP=ffff888024f78a00 RSP=ffffc90002f7f840 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=000000000008c07e R12=ffff88801186f100 R13=ffff888024f78a00 R14=dead000000000100 R15=dffffc0000000000 RIP=ffffffff8407b14b RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802ca00000 ffffffff 00c00000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe000008f000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff61490ff8 CR3=0000000024bf5000 CR4=00150ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=362e6f732e6362696c2f343662696c2f XMM01=00362e6f732e6362696c2f343662696c XMM02=ffff000000000000ffffffffffffffff XMM03=ffffffffffffffffffffffffffffffff XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 3 RAX=0000000000000003 RBX=ffff888012506240 RCX=ffffffff898d9d75 RDX=ffffed100596698a RSI=0000000000000000 RDI=ffffffff8990bc8f RBP=dffffc0000000000 RSP=ffffc9000068fdf8 R8 =0000000000000000 R9 =ffff88802cb34c4b R10=ffffed1005966989 R11=0000000000000001 R12=0000000000000003 R13=0000000000000003 R14=ffffffff8de15990 R15=0000000000000000 RIP=ffffffff8990b37b RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802cb00000 ffffffff 00c00000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe00000d8000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe00000d6000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055c4882dd300 CR3=000000001d44d000 CR4=00150ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=ffff0000000000000000000000ff0000 XMM02=000055c4882eeda0000055c4882eedf0 XMM03=000055c4882eeda86c69665f70006d72 XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=0000000000ff00ffffff000000000000 XMM06=ffff0000000000000000000000ff0000 XMM07=00000000000000000000000000000000 XMM08=000055c4882eeda86c69665f70006d72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000